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Pathological and radiological examination of case 1. (A) Microscopic examination shows that the tumor cells have abundant cytoplasm, eosinophilic, acinar, and nest-like growth. (B) MRI of the neck shows that the oval long T1 and long T2 signal masses could be seen on the left side of the mouth bottom, and the maximum cross-section was about 33 mm × 24 mm × 32 mm. (C) MRI of necks shows that mass did not shrink significantly after treatment.
